//    Openbravo POS is a point of sales application designed for touch screens.
//    Copyright (S) 2007-2009 Openbravo, S.L.
//    http://www.openbravo.com/product/pos
//
//    This file is part of Openbravo POS.
//
//    Openbravo POS is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    Openbravo POS is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Openbravo POS.  If not, see <http://www.gnu.org/licenses/>.

package e.odbo.data.bean.key;

/**
 * @author adrian
 */
public class KeyGetterFirst implements IKeyGetter {

    private int[] m_aElems;

    /**
     * Creates a new instance of KeyGetterBasic
     */
    public KeyGetterFirst(int[] aElems) {
        m_aElems = aElems;
    }

    public Object getKey(Object value) {
        if (value == null) {
            return null;
        } else {
            Object[] avalue = (Object[]) value;
            return avalue[m_aElems[0]];
        }
    }
}
